53143502 has 8 divisors (see below), whose sum is σ = 80611200. Its totient is φ = 26273104.

The previous prime is 53143499. The next prime is 53143543. The reversal of 53143502 is 20534135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149102 + ... + 149457.

It is an arithmetic number, because the mean of its divisors is an integer number (10076400).

Almost surely, 2^53143502 is an apocalyptic number.

53143502 is a deficient number, since it is larger than the sum of its proper divisors (27467698).

53143502 is a wasteful number, since it uses less digits than its factorization.

53143502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298650.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53143502 is about 7289.9589847955. The cubic root of 53143502 is about 375.9672853308.

Adding to 53143502 its reverse (20534135), we get a palindrome (73677637).

The spelling of 53143502 in words is "fifty-three million, one hundred forty-three thousand, five hundred two".